OFDM Relay Cognitive Radio Multiple Antennas Synchronization Channel Estimation Full duplex Resource Allocation CDMA Spectrum Sensing Spectrum Sharing Interference Cancellation Stochastic Geometry Feedback Bi-Directional Neural Networks Energy Harvesting Heterogeneous Networks Equalizer Femtocell FBMC relay networks in-band full-duplex system Device-to-Device (D2D) Equalization HetNet Ultra Low Power TVWS SINR mismatch problem Duplex Handoff SC-FDMA mode selection Cell Search MIMO Ultra-dense small cell Spectral efficiency interference interference suppression Channel estimation error 5G channel capacity Idle cells Ultra-dense small cell networks SCMA System level simulation MPA detector End-to-end delay Empty cell Power control CFO Reliability Communication range LTE-based V2V mMTC Number of training blocks Capacity Traffic UL grant free selection diversity Iterative decoder Cognitive relay networks Link adaptation full-duplex cellular Dynamic TDD LTE-TDD Uplink SCMA system Poisson arrival OQAM Spatial capacity NOMA Short burst transmission self interference cancellation Full-duplex Outdated channel estimation resource block management UFMC intercarrier interference telecommunication traffic User association timing misalignment WVAN cellular radio inter user interference GFDM ultra-dense small cell network intersymbol interference QAM Time-division duplex On/off algorithm Waveforms OCBT Subband filtering Timing and frequency offset frame structure body area networks Zigbee health care 5G mobile communication antenna arrays Vehicle-to-vehicle communication